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One step further @Jordan, Here's the elegant solution against sudo nice -n -xx su <username> -c matlab hack Note: Using username=sid, matlab meta-data dir=/var/lib/matlab, nice=-10 change at your will Create matlab meta-data dir(PERPARE) sudo mkdir /var/lib/matlab Add specified user to launch matlab & right persimisson sudo useradd ...


Negative nice values are reserved for system work. If you run a userland program with to high niceness, like -15, some kernel work that it relies on cannot run, so that the program stalls itself. The proper way to make your system usable again is to renice the other CPU hog to higher nice values. renice -n 5 otherpid

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